diff --git a/spec/core/integration/EnvSpec.js b/spec/core/integration/EnvSpec.js
index 97943aec..8162472f 100644
--- a/spec/core/integration/EnvSpec.js
+++ b/spec/core/integration/EnvSpec.js
@@ -3,7 +3,7 @@ describe('Env integration', function() {
   const isBrowser = typeof window !== 'undefined';
 
   beforeEach(function() {
-    jasmine.getEnv().registerIntegrationMatchers();
+    specHelpers.registerIntegrationMatchers();
     env = new jasmineUnderTest.Env();
   });
 
diff --git a/spec/core/integration/MatchersSpec.js b/spec/core/integration/MatchersSpec.js
index 9e6994fc..f09656cd 100755
--- a/spec/core/integration/MatchersSpec.js
+++ b/spec/core/integration/MatchersSpec.js
@@ -610,19 +610,13 @@ describe('Matchers (Integration)', function() {
   });
 
   describe('toHaveClass', function() {
-    beforeEach(function() {
-      this.domHelpers = jasmine.getEnv().domHelpers();
-    });
-
     verifyPasses(function(env) {
-      const domHelpers = jasmine.getEnv().domHelpers();
-      const el = domHelpers.createElementWithClassName('foo');
+      const el = specHelpers.domHelpers.createElementWithClassName('foo');
       env.expect(el).toHaveClass('foo');
     });
 
     verifyFails(function(env) {
-      const domHelpers = jasmine.getEnv().domHelpers();
-      const el = domHelpers.createElementWithClassName('foo');
+      const el = specHelpers.domHelpers.createElementWithClassName('foo');
       env.expect(el).toHaveClass('bar');
     });
   });
diff --git a/spec/core/integration/SpecRunningSpec.js b/spec/core/integration/SpecRunningSpec.js
index 775c0d2f..32439a3a 100644
--- a/spec/core/integration/SpecRunningSpec.js
+++ b/spec/core/integration/SpecRunningSpec.js
@@ -2,7 +2,7 @@ describe('spec running', function() {
   let env;
 
   beforeEach(function() {
-    jasmine.getEnv().registerIntegrationMatchers();
+    specHelpers.registerIntegrationMatchers();
     env = new jasmineUnderTest.Env();
     env.configure({ random: false });
   });
diff --git a/spec/core/matchers/toHaveClassSpec.js b/spec/core/matchers/toHaveClassSpec.js
index 3ad1034a..c997d3f6 100644
--- a/spec/core/matchers/toHaveClassSpec.js
+++ b/spec/core/matchers/toHaveClassSpec.js
@@ -1,12 +1,8 @@
 describe('toHaveClass', function() {
-  beforeEach(function() {
-    this.domHelpers = jasmine.getEnv().domHelpers();
-  });
-
   it('fails for a DOM element that lacks the expected class', function() {
     const matcher = jasmineUnderTest.matchers.toHaveClass(),
       result = matcher.compare(
-        this.domHelpers.createElementWithClassName(''),
+        specHelpers.domHelpers.createElementWithClassName(''),
         'foo'
       );
 
@@ -15,7 +11,7 @@ describe('toHaveClass', function() {
 
   it('passes for a DOM element that has the expected class', function() {
     const matcher = jasmineUnderTest.matchers.toHaveClass(),
-      el = this.domHelpers.createElementWithClassName('foo bar baz');
+      el = specHelpers.domHelpers.createElementWithClassName('foo bar baz');
 
     expect(matcher.compare(el, 'foo').pass).toBe(true);
     expect(matcher.compare(el, 'bar').pass).toBe(true);
@@ -24,7 +20,7 @@ describe('toHaveClass', function() {
 
   it('fails for a DOM element that only has other classes', function() {
     const matcher = jasmineUnderTest.matchers.toHaveClass(),
-      el = this.domHelpers.createElementWithClassName('foo bar');
+      el = specHelpers.domHelpers.createElementWithClassName('foo bar');
 
     expect(matcher.compare(el, 'fo').pass).toBe(false);
   });
@@ -42,7 +38,7 @@ describe('toHaveClass', function() {
       matcher.compare(undefined, 'foo');
     }).toThrowError('undefined is not a DOM element');
 
-    const textNode = this.domHelpers.document.createTextNode('');
+    const textNode = specHelpers.domHelpers.document.createTextNode('');
     expect(function() {
       matcher.compare(textNode, 'foo');
     }).toThrowError('HTMLNode is not a DOM element');
diff --git a/spec/helpers/BrowserFlags.js b/spec/helpers/BrowserFlags.js
index be5a7387..eb4f3c6b 100644
--- a/spec/helpers/BrowserFlags.js
+++ b/spec/helpers/BrowserFlags.js
@@ -1,4 +1,4 @@
-(function(env) {
+(function() {
   function browserVersion(matchFn) {
     const userAgent = jasmine.getGlobal().navigator.userAgent;
     if (!userAgent) {
@@ -10,7 +10,7 @@
     return match ? parseFloat(match[1]) : void 0;
   }
 
-  env.firefoxVersion = browserVersion(function(userAgent) {
+  specHelpers.firefoxVersion = browserVersion(function(userAgent) {
     return /Firefox\/([0-9]{0,})/.exec(userAgent);
   });
-})(jasmine.getEnv());
+})();
diff --git a/spec/helpers/domHelpers.js b/spec/helpers/domHelpers.js
index 9cdb349a..a519428b 100644
--- a/spec/helpers/domHelpers.js
+++ b/spec/helpers/domHelpers.js
@@ -1,24 +1,20 @@
-(function(env) {
-  function domHelpers() {
-    let doc;
+(function() {
+  let doc;
 
-    if (typeof document !== 'undefined') {
-      doc = document;
-    } else {
-      const JSDOM = require('jsdom').JSDOM;
-      const dom = new JSDOM();
-      doc = dom.window.document;
-    }
-
-    return {
-      document: doc,
-      createElementWithClassName: function(className) {
-        const el = this.document.createElement('div');
-        el.className = className;
-        return el;
-      }
-    };
+  if (typeof document !== 'undefined') {
+    doc = document;
+  } else {
+    const JSDOM = require('jsdom').JSDOM;
+    const dom = new JSDOM();
+    doc = dom.window.document;
   }
 
-  env.domHelpers = domHelpers;
-})(jasmine.getEnv());
+  specHelpers.domHelpers = {
+    document: doc,
+    createElementWithClassName(className) {
+      const el = this.document.createElement('div');
+      el.className = className;
+      return el;
+    }
+  };
+})();
diff --git a/spec/helpers/init.js b/spec/helpers/init.js
new file mode 100644
index 00000000..6b5afcda
--- /dev/null
+++ b/spec/helpers/init.js
@@ -0,0 +1 @@
+globalThis.specHelpers = {};
diff --git a/spec/helpers/integrationMatchers.js b/spec/helpers/integrationMatchers.js
index fd80b83c..aea7cc4d 100644
--- a/spec/helpers/integrationMatchers.js
+++ b/spec/helpers/integrationMatchers.js
@@ -1,5 +1,5 @@
-(function(env) {
-  env.registerIntegrationMatchers = function() {
+(function() {
+  specHelpers.registerIntegrationMatchers = function() {
     jasmine.addMatchers({
       toHaveFailedExpectationsForRunnable: function() {
         return {
@@ -51,4 +51,4 @@
       }
     });
   };
-})(jasmine.getEnv());
+})();
diff --git a/spec/html/PrettyPrintHtmlSpec.js b/spec/html/PrettyPrintHtmlSpec.js
index a5e67b28..e667da8f 100644
--- a/spec/html/PrettyPrintHtmlSpec.js
+++ b/spec/html/PrettyPrintHtmlSpec.js
@@ -22,7 +22,7 @@ describe('PrettyPrinter (HTML Dependent)', function() {
   });
 
   it("should print Firefox's wrapped native objects correctly", function() {
-    if (jasmine.getEnv().firefoxVersion) {
+    if (specHelpers.firefoxVersion) {
       const pp = jasmineUnderTest.makePrettyPrinter();
       let err;
       try {
diff --git a/spec/support/jasmine-browser.js b/spec/support/jasmine-browser.js
index f86dfe3e..39969c59 100644
--- a/spec/support/jasmine-browser.js
+++ b/spec/support/jasmine-browser.js
@@ -18,6 +18,7 @@ module.exports = {
   specDir: 'spec',
   specFiles: ['**/*[Ss]pec.js', '!npmPackage/**/*'],
   helpers: [
+    'helpers/init.js',
     'helpers/generator.js',
     'helpers/BrowserFlags.js',
     'helpers/domHelpers.js',
diff --git a/spec/support/jasmine.json b/spec/support/jasmine.json
index f24ab080..89240a27 100644
--- a/spec/support/jasmine.json
+++ b/spec/support/jasmine.json
@@ -5,6 +5,7 @@
     "npmPackage/**/*[Ss]pec.js"
   ],
   "helpers": [
+    "helpers/init.js",
     "helpers/domHelpers.js",
     "helpers/integrationMatchers.js",
     "helpers/overrideConsoleLogForCircleCi.js",